Sealed oil tank liquid level transmitter
A liquid level transmitter and oil tank technology, applied in the field of sensor application, can solve the problems of not meeting the needs of oil fields, high cost, high price, and solve the problems of automatic monitoring and real-time measurement, low cost and wide measurement range. Effect
Inactive Publication Date: 2008-06-04
HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
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Abstract
The invention discloses a sealed oil tank liquid level transducer which comprises a sensor and its lead wires, a vent pipe connected with the sensor and a flange. Wherein the sensor is a rectangular cavity, it includes a sensor outer shell, a master clamp and a slave clamp which connects to each other. Wherein the two pressure sensing surfaces on the two sides of the sensor senses air pressure above the detected liquid surface and pressure of liquid level detected sites in the liquid media; when pressure of detected media goes through the pressure sensing surfaces of the sensor high pressure and low pressure chamber separately, two sides' pressure sensing surfaces generate different offsets which is in proportion to the pressure difference, the lead wires of the sensor output the measured pressure signal to realize long distance transmission of the sealed oil tank liquid level transducer signal.
Application Domain
Level indicators by pressure measurement
Technology Topic
Liquid mediumPressure sensing +13
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